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Shares of the maker of the Climate Control Seat continue to run cold. Amerigon Inc.'s stock plunged to its lowest level in more than a year Tuesday, dropping 33 cents, or 3.1 percent, to $10.43 and is now down about 49 percent for the year.

Amerigon Incorporated , a leader in developing products based on advanced thermoelectric technologies for a wide range of global markets and applications, announced today that its proprietary Climate Control Seat (CCS) system will be offered on three of the distinctive, high-end models of the 2009 Ford F-150 truck, including the new Lariat Platinum, the Lariat and the King Ranch models.

Citizens Republic Bancorp Inc , Lanoptics Ltd and Amerigon Inc are also among the biggest percentage losers. Here are the biggest percentage losers among small caps:

Amerigon Incorporated , a leader in developing and marketing products based on advanced thermoelectric technologies for a wide range of global markets and applications, today announced another quarter of record revenues and a record number of units shipped for its first quarter ended March 31, 2008.

NORTHVILLE, Mich., April 22, 2008 -- Amerigon Incorporated , a leader in developing products based on advanced thermoelectric technologies for a wide range of global markets and applications, will report its financial results for the first quarter ended March 31, 2008, at 6:00 a.m.